diff --git a/fasp_base/Gemfile.lock b/fasp_base/Gemfile.lock
index b91b752..f05bfa1 100644
--- a/fasp_base/Gemfile.lock
+++ b/fasp_base/Gemfile.lock
@@ -98,7 +98,7 @@ GEM
       rexml
     crass (1.0.6)
     date (3.4.1)
-    debug (1.10.0)
+    debug (1.11.0)
       irb (~> 1.10)
       reline (>= 0.3.8)
     drb (2.2.3)